HDR44 4x4 High Definition Video Router
Analog AUDIO INPUTS
Use stereo RCA “Y” cables to split the video source’s analog audio signal between to the main HDR44 and the expansion unit.
Note: “Y” cables are only required for the analog audio inputs.
Chassis #1
Video Source
Analog Audio
Output
L 
Chassis #2
R
RCA ‘Y’
Patch
Cables
Figure 3-21: Audio Inputs ‘Y’ Connection
SPDIF Audio Outputs
Use a high quality digital coaxial cable to loop Digital Audio from the main HDR44 to the expan- sion unit:
Chassis #1
SPDIF Cable
Chassis #2
Figure 3-22: SPDIF Audio Loop Connection
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